﻿
// DesktopDlg.cpp: 实现文件
//

#include "pch.h"
#include "framework.h"
#include "Desktop.h"
#include "DesktopDlg.h"
#include "afxdialogex.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialogEx
{
public:
	CAboutDlg();

// 对话框数据
#ifdef AFX_DESIGN_TIME
	enum { IDD = IDD_ABOUTBOX };
#endif

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()


// CDesktopDlg 对话框



CDesktopDlg::CDesktopDlg(CWnd* pParent /*=nullptr*/)
	: CDialogEx(IDD_DESKTOP_DIALOG, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDesktopDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CDesktopDlg, CDialogEx)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, &CDesktopDlg::OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON2, &CDesktopDlg::OnBnClickedButton2)
	ON_BN_CLICKED(IDC_BUTTON3, &CDesktopDlg::OnBnClickedButton3)
	ON_BN_CLICKED(IDC_BUTTON4, &CDesktopDlg::OnBnClickedButton4)
	ON_BN_CLICKED(IDC_BUTTON5, &CDesktopDlg::OnBnClickedButton5)
	ON_BN_CLICKED(IDC_BUTTON6, &CDesktopDlg::OnBnClickedButton6)
	ON_BN_CLICKED(IDC_BUTTON7, &CDesktopDlg::OnBnClickedButton7)
	ON_BN_CLICKED(IDC_BUTTON8, &CDesktopDlg::OnBnClickedButton8)
	ON_BN_CLICKED(IDC_BUTTON9, &CDesktopDlg::OnBnClickedButton9)
END_MESSAGE_MAP()


// CDesktopDlg 消息处理程序

BOOL CDesktopDlg::OnInitDialog()
{
	CDialogEx::OnInitDialog();

	// 将“关于...”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != nullptr)
	{
		BOOL bNameValid;
		CString strAboutMenu;
		bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
		ASSERT(bNameValid);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 设置此对话框的图标。  当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO: 在此添加额外的初始化代码

	return TRUE;  // 除非将焦点设置到控件，否则返回 TRUE
}

void CDesktopDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialogEx::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。  对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CDesktopDlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作区矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialogEx::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CDesktopDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}



void CDesktopDlg::OnBnClickedButton1()
{
	HWND desktop = ::FindWindow(TEXT("Progman"), NULL);
	
	if (desktop != NULL)
	{
		::ShowWindow(desktop, SW_HIDE);
	}

}


void CDesktopDlg::OnBnClickedButton2()
{
	HWND desktop = ::FindWindow(TEXT("Progman"), NULL);

	if (desktop != NULL)
	{
		::ShowWindow(desktop, SW_SHOW);
	}
}


void CDesktopDlg::OnBnClickedButton3()
{
	HWND parent = ::FindWindow(TEXT("Shell_TrayWnd"), NULL);

	if (parent != NULL)
	{
		HWND start = ::FindWindowEx(parent, NULL, TEXT("Start"), NULL);

		if (start != NULL)
		{
			::ShowWindow(start, SW_HIDE);
		}
	}

}


void CDesktopDlg::OnBnClickedButton4()
{
	HWND parent = ::FindWindow(TEXT("Shell_TrayWnd"), NULL);

	if (parent != NULL)
	{
		HWND start = ::FindWindowEx(parent, NULL, TEXT("Start"), NULL);

		if (start != NULL)
		{
			::ShowWindow(start, SW_SHOW);
		}
	}
}


void CDesktopDlg::OnBnClickedButton5()
{
	HWND tray = ::FindWindow(TEXT("Shell_traywnd"), NULL);

	if (tray != NULL)
	{
		::ShowWindow(tray, SW_HIDE);
	}
}


void CDesktopDlg::OnBnClickedButton6()
{
	HWND tray = ::FindWindow(TEXT("Shell_traywnd"), NULL);

	if (tray != NULL)
	{
		::ShowWindow(tray, SW_SHOW);
	}
}


void CDesktopDlg::OnBnClickedButton7()
{
	HWND tray = ::FindWindow(TEXT("Shell_traywnd"), NULL);

	if (tray != NULL)
	{
		HWND trayNotifyHwnd = ::FindWindowEx(tray, NULL, TEXT("TrayNotifyWnd"), NULL);

		if (trayNotifyHwnd != NULL)
		{
			HWND trayClock = ::FindWindowEx(trayNotifyHwnd, NULL, TEXT("TrayClockWClass"), NULL);

			if (trayClock != NULL)
			{
				::ShowWindow(trayClock, SW_HIDE);
			}
		}
	}
}


void CDesktopDlg::OnBnClickedButton8()
{
	HWND tray = ::FindWindow(TEXT("Shell_traywnd"), NULL);

	if (tray != NULL)
	{
		HWND trayNotifyHwnd = ::FindWindowEx(tray, NULL, TEXT("TrayNotifyWnd"), NULL);

		if (trayNotifyHwnd != NULL)
		{
			HWND trayClock = ::FindWindowEx(trayNotifyHwnd, NULL, TEXT("TrayClockWClass"), NULL);

			if (trayClock != NULL)
			{
				::ShowWindow(trayClock, SW_SHOW);
			}
		}
	}
}


void CDesktopDlg::OnBnClickedButton9()
{
	HWND progManHwnd = ::FindWindow(TEXT("ProgMan"), NULL);
	if (progManHwnd != NULL)
	{
		HWND defViewHwnd = ::GetWindow(progManHwnd, GW_CHILD);

		if (defViewHwnd != NULL)
		{
			HWND listView32Hwnd = ::GetWindow(defViewHwnd, GW_CHILD);

			LPTSTR buf = new TCHAR[128];
			//The length of the lpClassName buffer, in characters. The buffer must be large enough to include the terminating null character; otherwise, the class name string is truncated to nMaxCount-1 characters.
			::GetClassName(listView32Hwnd, buf, 127);

			if (StrCmpCW(buf, TEXT("SysListView32")) == 0)
			{
				AfxMessageBox(TEXT("Success"));
			}

			delete[] buf;
			
		}
	}
}
